Mesonorm
中带标准矿物
🗣️ 情景例句
running for the school board.
竞选联合校董会董事。
He hears the violin squeaking.
他听到了小提琴发出的声音。
and that is one of the things the young are busily engaged in seeking.
这正是年轻人所热衷追求的。